Senior Dotnet Developer

Role: .Net Backend Developer

Location: Vienna, Austria

Type: FTE/ Full-Time

Key Responsibilities

Backend Development

• Design, develop, and maintain scalable backend services using C# and .NET Core for high-availability enterprise applications.
• Build robust, maintainable, and performant software solutions aligned with business requirements and engineering best practices.

High-Throughput Systems

• Develop and optimize systems capable of handling significant transaction volumes and traffic spikes while maintaining reliability and performance.
• Ensure system availability, scalability, and operational stability under peak workloads.

Business Logic Implementation

• Translate complex business requirements into efficient, well-structured application logic.
• Implement calculation engines, workflow processing, and data-driven services with a focus on accuracy and performance.

Database Development & Optimization

• Design, write, and optimize complex SQL queries, stored procedures, and database operations.
• Improve data access performance, ensure data integrity, and support high-volume transactional workloads.

System Reliability & Support

• Troubleshoot and resolve production issues across distributed application environments.
• Enhance fault tolerance, monitoring, observability, and recovery mechanisms to improve system resilience.

Cross-Functional Collaboration

• Partner closely with Product Managers, Business Analysts, QA Engineers, and other stakeholders to deliver reliable technical solutions.
• Participate in architecture discussions, code reviews, and continuous improvement initiatives.

Required Technical Skills

Programming

• Strong proficiency in C# and .NET Framework / .NET Core.

Database Technologies

• Extensive experience with SQL Server or PostgreSQL, including query optimization, indexing, stored procedures, and performance tuning.

Software Architecture

• Hands-on experience with microservices, RESTful APIs, event-driven architectures, and distributed systems.

Concurrency & Performance

• Solid understanding of multithreading, asynchronous programming, synchronization mechanisms, and concurrency management.

DevOps & Cloud-Native Tools

• Experience with Docker, Kubernetes, CI/CD pipelines, and modern deployment practices using platforms such as Azure DevOps or Jenkins.